Lenovo 45W AC Adaptor (Slim Tip) for ThinkPad Notebooks Identical to the adapter bundled in 45W ThinkPad systems 26% smaller than the current ThinkPad 65W AC Adapter Energy efficient with Energy Star V (ES 2.0) Compatible with ThinkPad Helix, T4301s, and 2013 Lenovo notebooks with slim common power plug
